| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [adv] [vb infin] | 3593 |
|
| 2 | it [adv] [vb infin] | 330 |
|
| 3 | should it [vb infin] | 189 |
|
| 4 | should it [adv] | 23 |
|
